This construction project is located at Captain James A. Lovell FHCC, 3001 Green Bay Rd, North Chicago, IL 60064. The work involves replacing medium-voltage oil-filled transformers (4160V primary, 208/120V secondary) serving buildings 1, 3, 9, 11, 66, 137, and 187, including relocating one transformer, replacing two switchboards, installing new concrete pads, and adding anti-ram bollards. The period of performance is 357 days, with milestones beginning at Notice to Proceed (Day 0) and ending with contract closeout on Day 357. The contractor must expedite planning and procurement of long-lead items, working forward and backward from the factory ship date commitment to optimize field time. A pre-bid conference will be held for prospective bidders to observe conditions, but no questions will be allowed at the event; all inquiries must follow the RFI process in the solicitation.